Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 190

 

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Volkswagen Golf / Golf GTI / Golf Variant. Manual - part 190

 

 

DQ-250 6F 02E

DTC

Fault

Code De‐

scription

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Frequen‐

cy of

checks,

MIL Illum

P0735 Gear 5 In‐

correct

Ratio

• synchroniz‐

ing detec‐

tion while

the gear‐

shift fork

was control‐

led to en‐

gage fifth

gear

• integral

that corre‐

sponds to

the energy

flux in the

synchroni‐

zation ex‐

ceeds a

maximum

value. The

integral

calculation

depends

on syn‐

chronizing

slip and

duty factor

of the safe‐

ty valve 1

• integral >

125

• no slipping

point adapta‐

tion of clutch

1

• multiplexer

position = 1

• control gear‐

shift fork

valve 1>=

5%

• no main

pressure

loss

• terminal 15

voltage > 4 V

for more than

500 ms

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 600

rpm for more

than 500 ms

• syn‐

chron‐

izing

slip,

duty

factor

of

safety

valve

1

• 2 driv‐

ing cy‐

cles

P0736 Reverse

Incorrect

Ratio

• unable to

disengage

the reverse

gear

• gearshift

fork of re‐

verse gear

stays in

shifted po‐

sition in

spite of

control to

disengage

• gearshift

fork posi‐

tion < syn‐

chronizing

point re‐

verse gear

- 10% syn‐

chronizing

point

measured

by a basic

adjust‐

ment (re‐

verse gear

stays in

shifted po‐

sition) con‐

trol gear‐

shift fork

• control safe‐

ty valve 2

(ON) >= 20%

• multiplexer

position = 0

• desired main

pressure > 2

bar

• no main

pressure

loss

• terminal 15

voltage > 4 V

for more than

500 ms

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 600

rpm for more

than 500 ms

• 6000

ms

• 2 driv‐

ing cy‐

cles

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

433

DQ-250 6F 02E

DTC

Fault

Code De‐

scription

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Frequen‐

cy of

checks,

MIL Illum

• synchroniz‐

ing detec‐

tion while

the gear‐

shift fork

was control‐

led to en‐

gage re‐

verse gear

• integral

that corre‐

sponds to

the energy

flux in the

synchroni‐

zation ex‐

ceeds a

maximum

value. The

integral

calculation

depends

on syn‐

chronizing

slip and

duty factor

of the safe‐

ty valve 2

• integral >

125

• no slipping

point adapta‐

tion of clutch

1

• multiplexer

position = 0

• control gear‐

shift fork

valve 4 >=

5%

• no main

pressure

loss

• terminal 15

voltage > 4 V

for more than

500 ms

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 600

rpm for more

than 500 ms

P0746 Pressure

Control

Solenoid

"A" Per‐

for‐

mance/

Stuck Off

• pressure in‐

tegral moni‐

toring

• integral of

actual

pressure

minus de‐

sired pres‐

sure minus

drain ex‐

ceeds a

maximum

value

• pressure

integral>=

0,1 bar * s

• desired pres‐

sure <=

adapted

clutch slip‐

ping point + 1

bar

• standing ve‐

hicle with ac‐

celerator

pedal < 0.1%

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 500

rpm

• 300

ms

• 2 driv‐

ing cy‐

cles

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

434

     Rep. Gr. ST - Generic Scan Tool

DQ-250 6F 02E

DTC

Fault

Code De‐

scription

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Frequen‐

cy of

checks,

MIL Illum

• open-circuit

check

• desired

valve cur‐

rent of

clutch 1

exceeds a

threshold

simultane‐

ous the ac‐

tual valve

current is

smaller

than a sec‐

ond

threshold

• desired

current>

350 mA

actual cur‐

rent< 50

mA

• common

highside

switch 1 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 1 ac‐

tive

• common

highside

switches not

deactivated

by module 2

• terminal 15

voltage > 9 V

for more than

500 ms

• engine

speed > 500

rpm

P0747 Pressure

Control

Solenoid

"A" Stuck

On

• pressure

buildup

monitoring

• the num‐

ber of suc‐

cessive

pressure

buildup

failure of

clutch 1

reaches a

maximum

value

• counter > 2 • engaged

gear on input

shaft 1

• desired pres‐

sure >adap‐

ted clutch

slipping point

– 0.2 bar

• output speed

< 200 rpm

• terminal 15

voltage > 4 V

for more than

500 ms

• battery volt‐

age > 9 V for

more than

500 ms

• engine

speed > 600

rpm for more

than 500 ms

• 0 ms • 2 driv‐

ing cy‐

cles

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

3. Diagnosis and Testing    

435

DQ-250 6F 02E

DTC

Fault

Code De‐

scription

Monitor Strat‐

egy Descrip‐

tion

Malfunction

Criteria

Threshold

Value

Secondary Pa‐

rameters with

Enable Condi‐

tions

Monitor‐

ing Time

Length

Frequen‐

cy of

checks,

MIL Illum

• short-circuit

current

check

• compari‐

son of ac‐

tual valve

current

with de‐

sired valve

current of

clutch 1

• actual

current>de‐

sired cur‐

rent and

(actual cur‐

rent- de‐

sired cur‐

rent)> 200

mA for

more than

200 ms

• common

highside

switch 1 on,

not defect

and voltage

> 9.2 V

• gearbox sub‐

system 1 ac‐

tive

• common

highside

switches not

deactivated

by module 2

• terminal 15

voltage > 9 V

for more than

500 ms

• engine

speed > 500

rpm

• 200

ms

GTI 2014 ➤

Generic Scan Tool - Edition 04.2015

436

     Rep. Gr. ST - Generic Scan Tool

 

 

 

 

 

 

 

Content   ..  188  189  190  191   ..